Question

Solve for the unknown
5 x + 8 (2 x-
9) =54

Answer 1

Answer:

x=6

Step-by-step explanation:

5x+8(2x-9)=54

5x+16x-72=54

21x=54+72

21x=126

x=126/21

x=6 .... (1)

Verification,

L.H.S=5x+8(2x-9)

R.H.S= 54

5×5×6+8(2×6-9)=30+8(3) ..... [from(1)]

=30+24

=54